12x-99=x+121

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Solution for 12x-99=x+121 equation:


Simplifying
12x + -99 = x + 121

Reorder the terms:
-99 + 12x = x + 121

Reorder the terms:
-99 + 12x = 121 + x

Solving
-99 + 12x = 121 + x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
-99 + 12x + -1x = 121 + x + -1x

Combine like terms: 12x + -1x = 11x
-99 + 11x = 121 + x + -1x

Combine like terms: x + -1x = 0
-99 + 11x = 121 + 0
-99 + 11x = 121

Add '99' to each side of the equation.
-99 + 99 + 11x = 121 + 99

Combine like terms: -99 + 99 = 0
0 + 11x = 121 + 99
11x = 121 + 99

Combine like terms: 121 + 99 = 220
11x = 220

Divide each side by '11'.
x = 20

Simplifying
x = 20

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